print("整数与浮点数的运算")
x = 10
y = x + 5.5
print(x)
print(type(x))
print(y)
print(type(y))

print("整数转换成浮点数的应用")
x = 10
print(x)
print(type(x))

x = x + 5.5
print(x)
print(type(x))
